On 04/02/2018 08:52 PM, J Decker via Unicode wrote:


On Mon, Apr 2, 2018 at 5:42 PM, Mark E. Shoulson via Unicode <unicode@unicode.org <mailto:unicode@unicode.org>> wrote:

    For unique identifiers for every person, place, thing, etc,
    consider
    https://en.wikipedia.org/wiki/Universally_unique_identifier
    <https://en.wikipedia.org/wiki/Universally_unique_identifier>
    which are indeed 128 bits.

    What makes you think a single "glyph" that represents one of these
    3.4⏨38 items could possibly be sensibly distinguishable at any
    sort of glance (including long stares) from all the others?  I
    have an idea for that: we can show the actual *digits* of some
    encoding of the 128-bit number.  Then just inspecting for a
    different digit will do.


there's no restirction that it be one character cell in size... rendered glyphs could be thousands of pixels wide...

Yes, but at that point it becomes a huge stretch to call it a "character".  It becomes more like a "picture" or "graphic" or something.  And even then, considering the tremendohunormous number of them we're dealing with, can we really be sure each one can be uniquely recognized as the one it's *supposed* to be, by everyone?

~mark


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